US2810341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reproduction in flat and offset printing
Assignee: Azoplate Corp
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Filing: 1956-03-02
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Granted: 1957-10-22
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Expires: 1976-03-02
Abstract
No abstract record available.
Inventors
- 👤 Neugebauer Wilhelm
- 👤 Barthenheier Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:04
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/016; G03F7/0163
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
A PROCESS, FOR MAKING PRINTING MATERIAL FROM PHOTOSENSITIZED MATERIAL HAVING A HYDROPHILLIC, NON-METALLIC SURFACE SENSITIZED WITH A LIGHT SENTITIVE DIAZO COMPOUND WHICH UPON EXPOSURE TO LIGHT DECOMPOSES INTO A PRINTING INK RECEPTIVE SUBSTANCE, COMPRISING THE STEPS OF MECHANICALLY TRANSFERRING AN IMAGE ONTO THE PHOTO-SENSITIVE MATERIAL, APPLYING AN AQUEOUS SOLUTION OF AN AZO COMPONENT HAVING HYDROPHILLIC SUBSTITUENTS TO THE LIGHT SENSITIVE SURFACE OF THE MATERIAL TO COUPLE WITH THE DIAZO COMPOUND NOT COVERED BY SAID MECHANICALLY TRANSFERRED IMAGE AND FORM A HYDROPHILLIC AZO DYESTUFF AND EXPOSING THE MATERIAL TO LIGHT TO DECOMPOSE THE DIAZO COMPOUND COVERED BY SAID MECHANICALLY TRANSFERRED IMAGE INTO A HYDROPHOBIC PRINTING INK RECEPTIVE SUBSTANCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |